package com.burst.reptile.framework.security.handle;

import java.io.IOException;
import java.io.Serializable;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import com.alibaba.fastjson.JSON;
import com.burst.reptile.common.constant.HttpStatus;
import com.burst.reptile.common.utils.ServletUtils;
import com.burst.reptile.framework.web.result.Result;

import cn.hutool.core.util.StrUtil;

/**
 * 认证失败处理类 返回未授权
 * @author wujin
 * @date: 2020年5月21日 下午5:50:41
 */
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint, Serializable {
	
	private static final long serialVersionUID = -8970718410437077606L;

	@Override
	public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e)
			throws IOException {
		int code = HttpStatus.UNAUTHORIZED;
		String msg = StrUtil.format("请求访问：{}，认证失败，无法访问系统资源", request.getRequestURI());
		String header = request.getHeader("X-Requested-With");
		if(StrUtil.isNotEmpty(header) && StrUtil.equalsAnyIgnoreCase("XMLHttpRequest", header)) {
			ServletUtils.renderString(response, JSON.toJSONString(Result.error(code, msg)));
		}else {
			response.sendRedirect("/login"); 
		}
	}
}
